publication . Article . 2020

Effect of Distortions on the Geometric and Electronic Structures of One-Electron Oxidized Vanadium(IV), Copper(II), and Cobalt(II)/(III) Salen Complexes

Hussein Kanso; Ryan M. Clarke; Amélie Kochem; Himanshu Arora; Christian Philouze; Olivier Jarjayes; Tim Storr; Fabrice Thomas;
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  • Published: 24 Mar 2020 Journal: Inorganic Chemistry, volume 59, pages 5,133-5,148 (issn: 0020-1669, eissn: 1520-510X, Copyright policy)
  • Publisher: American Chemical Society (ACS)
The ligands N,N'-bis(3-tert-butyl-5-methoxysalicylidene)-1,2-ethanediamine and N,N'-bis(3-tert-butyl-5-methoxysalicylidene)-1,3-propanediamine were chelated to V(IV)═O (1, 2), Cu(II) (3, 4), Co(II) (5), and Co(III) (6). The X-ray crystal structures of 1-6 were solved. The vanadium center in 1-2 resides in square pyramidal geometry, with an axially bound oxo ligand, whereas the metal ion displays a tetrahedrally distorted square planar geometry in 3-5. The extent of distortion is correlated to the length of the diamine spacer: The longer the linker, the larger the tetrahedral distortions. Complex 6 is octahedral with a bidentate acetate molecule that completes th...
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Fields of Science and Technology classification: 01 natural sciences0104 chemical sciences010405 organic chemistry010402 general chemistry
free text keywords: Inorganic Chemistry, Physical and Theoretical Chemistry, Electron paramagnetic resonance, law.invention, law, Denticity, Dimer, chemistry.chemical_compound, chemistry, Crystal structure, Coordination sphere, Crystallography, Ligand, Octahedron, Square pyramidal molecular geometry
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  • Funder: Natural Sciences and Engineering Research Council of Canada (NSERC)
  • Funder: French National Research Agency (ANR) (ANR)
  • Project Code: ANR-17-EURE-0003
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Inorganic Chemistry
Article . 2020
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